NEC Express5800 320La User Manual page 115

4. Disconnect (if connected) all PCI cables and the network cable from the
front of the PCI module.
5. Unscrew and remove the knurled screw securing the locking handle to the
PCI module. See Figure 4-34.
Note:
Removing the knurled screw deactivates an
interlock switch that removes power to the CPU module.
Figure 4-34. Removing the Knurled Screw Securing the Locking Handle
6. Pull the locking handle all the way up to its unlocked position. This
disconnects the PCI module from its backplane. See Figure 4-35.
Figure 4-35. Releasing the Locking Handle and PCI Module
Knurled
Screws
CRU Replacement and Server Upgrades 4-29